Repl Temprtr Recrdr 7-Day Chart,PK60, Compatible with Series CR87B, CR87J, Lowest Generic Number Recorded Not Applicable, Minimum DC Current Measurement Not Applicable, Product Type Circular Paper Chart, Strip Chart Length Not Applicable, Strip Chart Width Not Applicable, Highest Generic Number Recorded Not Applicable, Maximum Temperature Measured Degrees F 50 Degrees F, Minimum Temperature Measured Degrees F -20 Degrees F, Number of Charts Included 60, Time Recorded 7 day